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Harrisburg, New York Weather Forecast
Harrisburg, New York Weather
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Weather Forecast for Harrisburg, New York : Lewis County
Issued: 6:36 pm EST Dec 21, 2025 Latitude: 43.8422911 Longitude: -75.6026888 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Christmas Day Friday Saturday Sunday
20% chance of snow on Tonight 40% chance of snow on Monday 90% chance of rain & snow on Tuesday Mostly Cloudy on Wednesday Mostly Cloudy on Christmas Day 70% chance of rain & snow on Friday 50% chance of snow on Saturday 70% chance of snow on Sunday
Low: 10°F High: 28°F High: 35°F High: 29°F High: 36°F High: 38°F High: 31°F High: 32°F
Low: 22°F Low: 24°F Low: 16°F Low: 27°F Low: 17°F Low: 18°F  
Snow Snow Rain & Snow Mostly Cloudy Mostly Cloudy Rain & Snow Snow Snow
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Current Conditions at
FORT DRUM - (KGTB)
25°
Feels like 14°F
Cloudy
as of 7:55 PM EST
Rel. Humidity: 53%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
10 MPH
300° Northwest
Cloud Level(s): Broken at 3300ft, Solid Overcast at 4100ft
Current Conditions at
WATERTOWN - (KART)
27°
Feels like 15°F
Cloudy
as of 7:56 PM EST
Rel. Humidity: 53%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 26 MPH
270° West
Cloud Level(s): Broken at 3200ft, Solid Overcast at 4200ft
Current Conditions at
GRIFFISS AFB - (KRME)
25°
Feels like 11°F
Cloudy
Light Snow
as of 7:09 PM CST
Rel. Humidity: 85%
Dew Point: 21°F
Visibility: 1 3/4 Miles
Pressure: 30.31 in.
Flight Rule: IFR
Wind Data
16 MPH
Gust: 26 MPH
280° West
Cloud Level(s): Scattered at 1200ft, Broken at 2500ft, Solid Overcast at 3000ft
20% chance of snow Tonight Tonight... A slight chance of snow showers before 10pm, then a slight chance of snow showers after 5am. Mostly cloudy, with a low around 10. Northwest wind 6 to 14 mph. Chance of precipitation is 20%.
40% chance of snow Monday Monday... A chance of snow showers, mainly before 5pm. Mostly cloudy, with a high near 28. Light and variable wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 40%. New snow accumulation of around an inch possible.
60% chance of snow Monday Night Monday Night... Snow likely, mainly after 1am. Mostly cloudy, with a low around 22. Southwest wind around 7 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
90% chance of rain & snow Tuesday Tuesday... Snow before 1pm, then rain and snow. High near 35. South wind 9 to 13 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
80% chance of rain & snow Tuesday Night Tuesday Night... Rain, possibly mixed with snow, becoming all snow after 10pm. Low around 24. West wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 29. Northwest wind 5 to 14 mph.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 16. South wind 3 to 8 mph.
Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 36. South wind around 8 mph.
60% chance of rain Thursday Night Thursday Night... Showers likely, mainly after 1am. Cloudy, with a low around 27. Chance of precipitation is 60%.
70% chance of rain & snow Friday Friday... Rain and snow showers likely. Cloudy, with a high near 38. Chance of precipitation is 70%.
50% chance of snow Friday Night Friday Night... A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 50%.
50% chance of snow Saturday Saturday... A chance of snow showers. Mostly cloudy, with a high near 31. Chance of precipitation is 50%.
60% chance of snow Saturday Night Saturday Night... Snow showers likely. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.
70% chance of snow Sunday Sunday... Snow showers likely. Mostly cloudy, with a high near 32. Chance of precipitation is 70%.
Sun Almanac for Harrisburg, New York
Sunrise: 07:34 AM
Sunset: 4:28 PM
Civil Sunrise:07:01 AM
Civil Sunset: 5:01 PM
Nautical Sunrise: 06:24 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 05:49 AM
Astro Sunset: 6:12 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.